exam Maths Puzzle Numerical Ability

solve and graph the following equations.

A)x - y = 2
3x + y = -6

B) x + y = 0
x - 4y = 2

C) x + 2y = -1
x - 4y = 1

D) 2x - 3y = 1
3x + y = 1

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exam Other Question

Evaluate each function for the value specified.

5. f (x) = x2 - 7x + 10;

find (a) f (0), (b) f (5), and (c) f (-2). There were only two candidates who participated in an election. One contestant got 62% votes and was elected by a margin of 144 votes. The total number of votes were: